Pre-Algebra Examples

$(- 6, 7)$ , $(- 8, 9)$ , $(5, 6)$

Step 1

The three given points cannot be three corners of a rectangle.

Unable to find the perimeter

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$